Year Per 100,000 People 1985 12.0237 1986 10.8267 1987 9.6487 1988 8.9499 1989 8.5485 1990 8.7752 1991 8.2384 1992 8.7687 1993 9.7984 1994 9.3399 1995 10.5186 1996 12.692 1997 11.5961 1998 14.5003 1999 11.2294 2000 9.4354 2001 9.0979 2002 10.1569 2003 12.7613 2004 11.3028 2005 14.185 2006 11.1173 2007 16.3329 2008 17.3144 2009 19.9104 2010 18.42 2011 18.6518 2012 15.5052 2013 14.516 2014 14.2498 2015 13.0666